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Finding the Fourth Proportional to 235,813.68, 325,317.72 and 159,308.16

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Solution

The fourth proportional to 235,813.68, 325,317.72 and 159,308.16 is: 219,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,813.68 : 325,317.72 = 159,308.16 : x
  2. Step 2: Convert to fraction form
    235,813.68/325,317.72 = 159,308.16/x
  3. Step 3: Cross multiply
    235,813.68x = 325,317.72 × 159,308.16
  4. Step 4: Simplify right side
    235,813.68x = 51,825,767,388.60
  5. Step 5: Solve for x
    x = 51,825,767,388.60/235,813.68
  6. Step 6: Final answer
    x = 219,774.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.